Battery: Only connect or disconnect BAS for BLE ACL link

* Restrict BAS usage to BLE only to avoid affecting BR/EDR link

Bug: 285628594
Test: none
(cherry picked from https://android-review.googlesource.com/q/commit:a10e36a11a0efbb5d417af5e8d4fb97bfe35ff78)
Merged-In: Id4f52a490938e8084ea3dc0c277cb4782c747ddd
Change-Id: Id4f52a490938e8084ea3dc0c277cb4782c747ddd